[ARM] 5298/1: Drop desc_handle_irq()

desc_handle_irq() was declared as obsolete since long ago.
Replace it with generic_handle_irq()

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c
index 9674de7..1570d3a 100644
--- a/arch/arm/mach-s3c2443/irq.c
+++ b/arch/arm/mach-s3c2443/irq.c
@@ -44,7 +44,6 @@
 {
 	unsigned int subsrc, submsk;
 	unsigned int end;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -57,13 +56,11 @@
 	subsrc  &= (1 << len)-1;
 
 	end = len + irq;
-	mydesc = irq_desc + irq;
 
 	for (; irq < end && subsrc; irq++) {
 		if (subsrc & 1)
-			desc_handle_irq(irq, mydesc);
+			generic_handle_irq(irq);
 
-		mydesc++;
 		subsrc >>= 1;
 	}
 }